Home / 20,550.24-30,676.76-18,059.19

Finding the Fourth Proportional to 20,550.24, 30,676.76 and 18,059.19

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Solution

The fourth proportional to 20,550.24, 30,676.76 and 18,059.19 is: 26,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.24 : 30,676.76 = 18,059.19 : x
  2. Step 2: Convert to fraction form
    20,550.24/30,676.76 = 18,059.19/x
  3. Step 3: Cross multiply
    20,550.24x = 30,676.76 × 18,059.19
  4. Step 4: Simplify right side
    20,550.24x = 553,997,347.13
  5. Step 5: Solve for x
    x = 553,997,347.13/20,550.24
  6. Step 6: Final answer
    x = 26,958.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.